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ISBI
2004
IEEE

Micro-CT System for Small Animal Imaging with Ultrafast Laser-Based X-Ray Source

14 years 4 months ago
Micro-CT System for Small Animal Imaging with Ultrafast Laser-Based X-Ray Source
A novel ultrafast-laser-based x-ray source is a promising candidate for replacement of a microfocal X-ray tube in a micro-CT system for small-animal imaging. We optimized conditions for x-ray generation from a very small (below 5 ?m) focal spot. We measured x-ray spectra, conversion efficiency, x-ray fluence, and x-ray focal-spot size for a number of solid targets (SiO2, Ge, Mo, Ag, Sn, BaF2, La, Nd, Gd, Ta, and Pb). X-ray spectra created by ultrafast laser are advantageous for micro-CT imaging, because most of the emission is in narrow characteristic lines. The spectra can be changed rapidly and matched to the imaging task. They make practical the use of dual-energy micro-CT with suitable contrast agents and matching targets and filters for lowand high-energy beams. We have obtained images of small animals in single- and dual-energy modes.
Andrzej Król, Charles Chamberlain, Edward L
Added 20 Nov 2009
Updated 20 Nov 2009
Type Conference
Year 2004
Where ISBI
Authors Andrzej Król, Charles Chamberlain, Edward Lipson, Ioana Coman, Jean-Claude Kieffer, Liming Chen, R. E. Kincaid, Remy Toth
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